www.belong.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:e1:a3:b2:2a:e1:b3:dd:2b:b5:15:bc:ba:ba:25:6d:9e:bd was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.belong.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:e1:a3:b2:2a:e1:b3:dd:2b:b5:15:bc:ba:ba:25:6d:9e:bd
Serial Number (int): 425230265546149106467202058798947327909565
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:7a:ac:d7:bb:80:ff:67:6f:0b:7a:16:c1:5e:fa:a4:a9:5e:bc:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 12:f9:7a:8a:e8:da:b5:64:fe:69:6b:de:f5:51:99:c6:99:5b:76:1c
Fingerprint (sha256): 4b:83:cc:22:1b:86:91:88:52:82:89:8b:dd:47:76:0a:6c:28:b2:15:c1:b8:a3:25:35:51:07:aa:eb:24:5e:ab

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.belong.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.belong.co.jp

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

belong.co.jp
www.belong.co.jp

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(limited to 100 certificates)
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dev.liftclass.com
support.belong.co.jp
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www.belong.co.jp
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www.belong.co.jp
www.belong.co.jp
iij-bbti.belong.co.jp
e.milva.dk
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tellmobi.com
about.belong.co.jp
auth.kislepesek.hu
exire.ai
www.belong.co.jp
www.belong.co.jp
www.studentsforhumanetech.org
beta.embeds.c360.org
support.belong.co.jp
www.belong.co.jp
my.careinstructions.net
drink.bobacats.io
www.leaper.world
www.belong.co.jp
zirkus-orders.waiterpro.com
www.belong.co.jp
bbti.belong.co.jp
about.belong.co.jp
www.trueanomaly.com
support.belong.co.jp
www.leaper.world
www.belong.co.jp
staging.belong.co.jp
yayofono.com
f1recap.barnazagoni.com
about.belong.co.jp
mahjongremix.games235.com

Certificate

The complete raw certificate details for www.belong.co.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE+zCCA+OgAwIBAgISBOGjsirhs90rtRW8urolbZ69MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDA0MTIwNzAyNDRaFw0yNDA3MTEwNzAyNDNaMBsxGTAXBgNVBAMT
EHd3dy5iZWxvbmcuY28uanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
AQC2oKjXnsrUg0eubB1kIIPGldxP7uzZHAMj7LNQUlxwhv5Whn2SHT1WNMbwgmaN
QT20I9c+YMU2M6cQ9TfMVxHuRzIbR5ekLs5HPFa3RViI9e3KHS/HHp0mQMftf8dT
AU91uCS+Wp9rJo3vd21/Ft245N3EOosCcMfECY5VBIbOzgpCe0oUeh+lvieZVGKt
UNjGn4uRO+2nSs2YBUUb8ZPoIRr0ozb2T4+s6pUTm4tzxSY28kA4+0kuE/1TBTP6
po1Atj274zhxdAgi/KHCvxtlwNoSdG41Nwlvc69CROuPqjxxlRtaxREH4/Z80AGw
eQrjzjMhbRgWEGlu625osEo9AgMBAAGjggIgMIICHDAOBgNVHQ8BAf8EBAMCBaAw
HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFP96rNe7gP9nbwt6FsFe+qSpXrwKMB8GA1UdIwQYMBaAFBQusxe3WFbL
rlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov
L3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5v
cmcvMCkGA1UdEQQiMCCCDGJlbG9uZy5jby5qcIIQd3d3LmJlbG9uZy5jby5qcDAT
BgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB3AD8X
S0/XIkdYlB1lHIS+DRLtkDd/H4Vq68G/KIXs+GRuAAABjtFUlTYAAAQDAEgwRgIh
AOU0s20VS/o4dsR95Hq5lWIxPpTNMfK7r6s9O8Yy5smbAiEA0h5YP+KHUBHHgssR
UvBr8AwUxqR0OvM0S1UdK4Sak2QAdQB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIK
n+ZnTFo6dAAAAY7RVJVhAAAEAwBGMEQCIGsBIXAhT6BmSpKb0WjsirH66qj8bVVH
S6u5e5nzhmpaAiBuUqEV7qpEUiVKCnW3AKPr6oS+4R1xt3zdEqxh1plb5jANBgkq
hkiG9w0BAQsFAAOCAQEAPykQbGSSXXjVGbk2hJSdw/pvUNz0bYjaLA5h/X2dihM0
TTQGOa3vPB4PhmQDfGRgLA7MO3hDmrfMmd6UwvDwBLAZD74uz/ZkKccX82Ye95/h
hItE6W+kgzLN9maMfgW+yon26o57s9AGS2Xge1W4ZlvYYTFyW/KnjDQflDs19x+o
ipLzQSw8MX6z1NgV0Od8X2SVLZc+Yq+cnh4Vc6fN9nDe7q53yoErII1v9NpkycBU
fVnOnY9bgb9GTioxElUU9Wa8ppEePe+161Wbc0sHhQUPQZZ3QS9PxlTNnA7MUyul
d6LS03xPoKPdyCnoaKmMfhKBZoe/wfxn8C1AuAzzcQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtqCo157K1INHrmwdZCCD
xpXcT+7s2RwDI+yzUFJccIb+VoZ9kh09VjTG8IJmjUE9tCPXPmDFNjOnEPU3zFcR
7kcyG0eXpC7ORzxWt0VYiPXtyh0vxx6dJkDH7X/HUwFPdbgkvlqfayaN73dtfxbd
uOTdxDqLAnDHxAmOVQSGzs4KQntKFHofpb4nmVRirVDYxp+LkTvtp0rNmAVFG/GT
6CEa9KM29k+PrOqVE5uLc8UmNvJAOPtJLhP9UwUz+qaNQLY9u+M4cXQIIvyhwr8b
ZcDaEnRuNTcJb3OvQkTrj6o8cZUbWsURB+P2fNABsHkK484zIW0YFhBpbutuaLBK
PQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 425230265546149106467202058798947327909565
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-12 07:02:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-11 07:02:43 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.belong.co.jp'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23054595675773477474370728651957878906239581495388016543709416788247854541121625906808874101465163698368610782407248099266810235027273174208532218471809068298800326962969631100887676418728454524613210380216027882845286697498580180735428969843577358217392463144240676112790249242418364305473425667663378382652669610085672735434449232952541880241838900765040419396345703145361877812761377878359090337379376489982104244234502505033731748213444763160292574196315516508980325584449835625473664897445555508096601850661098059866682321588342609313913739663738370891318959768915022537063628453746948980250053054078076647918141
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ff7aacd7bb80ff676f0b7a16c15efaa4a95ebc0a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'belong.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.belong.co.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018ed15495360000040300483046022100e534b36d154bfa3876c47de47ab99562313e94cd31f2bbafab3d3bc632e6c99b022100d21e583fe2875011c782cb1152f06bf00c14c6a4743af3344b551d2b849a936400750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ed1549561000004030046304402206b012170214fa0664a929bd168ec8ab1faeaa8fc6d55474babb97b99f3866a5a02206e52a115eeaa4452254a0a75b700a3ebea84bee11d71b77cdd12ac61d6995be6
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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